I use cat from time to time. Vi when it’s installed on a system and I haven’t installed vim or nano yet (e.g. I’m using a BSD and only Vi is installed by default). Ed I have used, but I wouldn’t call it part of my work flow.
edit: and besides that I use mv, cp, less, ls, du, dd, rm, cd, pwd pretty often
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in that case:
I use cat from time to time. Vi when it’s installed on a system and I haven’t installed vim or nano yet (e.g. I’m using a BSD and only Vi is installed by default). Ed I have used, but I wouldn’t call it part of my work flow.
edit: and besides that I use mv, cp, less, ls, du, dd, rm, cd, pwd pretty often